380144081 has 4 divisors (see below), whose sum is σ = 380230500. Its totient is φ = 380057664.

The previous prime is 380144047. The next prime is 380144099. The reversal of 380144081 is 180441083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180441083 = 283 ⋅637601.

It can be written as a sum of positive squares in 2 ways, for example, as 234579856 + 145564225 = 15316^2 + 12065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380144081 is a prime.

It is a super-2 number, since 2×380144081² = 289019044638669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380144981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36236 + ... + 45533.

It is an arithmetic number, because the mean of its divisors is an integer number (95057625).

Almost surely, 2^380144081 is an apocalyptic number.

It is an amenable number.

380144081 is a deficient number, since it is larger than the sum of its proper divisors (86419).

380144081 is an equidigital number, since it uses as much as digits as its factorization.

380144081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86418.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 380144081 is about 19497.2839390516. The cubic root of 380144081 is about 724.4071767436.

The spelling of 380144081 in words is "three hundred eighty million, one hundred forty-four thousand, eighty-one".